Hi, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
Hello,
I've built a small BLE-device based on the nrf8001.
With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...
Our pcb is used for gps location data. We have a nrf24L01 nordic chip as the micro process or between the gps module and wireless module (2G). Our engineer needs to capture...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
Hi.
I am using S130 softdevice version.
Basically, I am using NUS Service and make a my own NUS central service as NUS_C.
It is correctly work at normal state.
When...
Hi All,
Please Reviwe for a attached circuit file(Chip ANT of nRF51822.pdf).
I also attach a datasheet of chip antenna applied for that circuit(SDBTPTR3015 Data Sheet...
It appears that the current order of articles returned when searching the https://infocenter.nordicsemi.com/index.jsp is ascending (or no order) It would be VERY helpful if...
I am using raspberry pi to communicate with nrf52840 My rpi is used as msater, nrf52840 is used as slave My nrf52840 is implemented as SPI slave under zephyr OS At present...
Hello,
I'm developing a bootloader based on the one included in SDK 13.1. It is now restarting due to an NRF_ERROR_NO_MEM that I'm not sure where it's coming from. It must...
I'm porting my system from 1.2.0 SDK to 1.4.2. The GPIO API has changed quite a bit. I have this problem that when I'm enabling some GPIO to be on interrupts, it seems to...
We are eplanning to include a simple DoA or DoD estimation in our device for BLE bracelet doirection detection. One partner claimed that nRF 52811 can't be used for this purpose...
I am using MeshSDK 4.2.0 and nRF52840.
I have looked into the provisioner example and the provisioner_store function in main.c only seems to store m_nw_state, which only...
Hi all,
I have some issues to print and parse JSON file using cJSON features. My code works without problems in SDK, but when I try the same code in Mesh part, I am not...
Hello, i'm trying to build zephyr\samples\subsys\usb\cdc_acm but i get the following error:
1> zephyr/isr_tables.c does not exist. 1> Combining ‘zephyr/isr_tables.c’ 1>...
With very low data rates and short packets between two nRF52840s which of the following can operate at the lowest power?
1) ble peripheral to ble central uart
2) Enhanced...
Hello Dev
I'm working with MQTT sample on nRF9160 DK device and while that when I called facing some kernel based issue regarding k_sleep() function.
I'm getting this...
Hi,
Thanks for the help. I have run the proximity detection application in nRF52832 nordic thingy. Initially the LED was blinking in the thingy board but when I switched...
Hi,
Though the Thread CLI sample's 'README.rst' lists the following supported optional extensions, it does not specifically describe how to set the specific '.conf' files...
Hi everyone, Lately I have been using a PCA10040 (nRF52-DK) with J-Link OB-SAM3U128-V2-NordicSem V1.00 version. I'm trying to program two boards one with nRF51822_xxAA and...
